Allow users to delete themselbes. This is require to be GDPR compliant.
See: https://gdpr-info.eu/art-17-gdpr/
Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>
To prevent further weakening of our CSP policies, moving the Avatars
into a non-inline version is the way to go.
This implementation probably needs some beautification. But already fixes
the bug.
Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>